Contact us
Choose a category below so we can get back to you as quickly as possible.
(0.25)的2009次方乘4的2010次方 =0.25的2009次方*4的2009次方*4 =1的2009次方*4 =4
(-0.25)的2010次方乘4的2009次方 =(0.25×4)的2009次方×0.25 =1×0.25 =0.25
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.